1. Our Solar System Grade 5 Big Idea 5: Earth in Space and Time SC.5.E.5.1, SC.5.E.5.2, SC.5.E.5.3

2. Does This Matter to Me? PSELL Big Idea 5 Student Book p. 160 This picture, courtesy of NASA, our national space program, is an artist's rendering of the planned Space Launch System as a rocket lifts off with the Orion spacecraft atop. The Orion spacecraft is already built and ready at Cape Canaveral in Florida. The Space Shuttle program provided successful low-Earth orbit missions, but NASA's heavy-lift launch vehicle will provide a new capability for human exploration beyond low-Earth orbit. The Space Launch System, shown here with Orion on it, is designed to be flexible for launching spacecraft for crew and cargo missions that will go far beyond to the moon again, to explore asteroids, and even to go to Mars. It will be people who are your age right now, maybe even you, who will be the ones to go on these exciting missions. Talk about these questions in your group: 1.How is our view of our Sun different from our view of other stars? 2.How and why does the moon's appearance change over the course of a month? 3.Why do the positions of the moon, stars, and planets change in the night sky?

3. Our solar system is located in a galaxy known as The Milky Way. The Milky Way The Milky Way What is a Galaxy? What is a Galaxy? A galaxy is a group of solar systems, dust, and gas held together by gravity. Let’s read to learn more: In a Galaxy, Far, Far Away… In a Galaxy, Far, Far Away…In a Galaxy, Far, Far Away… What did you learn? How have astronomers learned about space? t p. 167

4. Sun and Stars Sun and Stars Stars come in all different sizes. Stars come in all different sizes. Our Sun is the standard used for comparing all other star sizes. Our Sun is the standard used for comparing all other star sizes. The biggest stars are called supergiants. The biggest stars are called supergiants. Some are 500 times larger than the Sun. Some are 500 times larger than the Sun. Some of the smallest stars are white dwarfs. Some of the smallest stars are white dwarfs. Many are 1/100 the size of the Sun - Many are 1/100 the size of the Sun - roughly the size of Earth roughly the size of Earth pp. 167-168

5. What do we know about the Sun? Click on SC.3.E.5.2; SC.3.E.5 Sun - Size and Appearance SC.3.E.5.2; SC.3.E.5 Sun - Size and AppearanceSC.3.E.5.2; SC.3.E.5 Sun - Size and Appearance The is the closest star to Earth. The sun is the closest star to Earth. The is a big ball of hot gases. The sun is a big ball of hot gases. The sun gives off two kinds of : light and heat. This is called. The sun gives off two kinds of energy: light and heat. This is called solar energy. All eight planets orbit, or revolve, around the sun. All eight planets orbit, or revolve, around the sun. The sun is so large that more than a million Earths could fit inside it. The sun is so large that more than a million Earths could fit inside it.

6. Solar System Resource Link: http://www.windows.ucar.edu/tour/link=/our_solar_system/solar_system.html http://www.windows.ucar.edu/tour/link=/our_solar_system/solar_system.html Let’s Explore Your Place In SpaceLet’s Explore Your Place In Space: Our Solar System

7. What objects orbit the ? What objects orbit the sun? Planets orbit the sun. What is a planet? A planet is a large ball of rock or gas that follows a path round the sun. What else orbits the sun? moons, drawf planets, comets, asteroids pp. 169-170

8. What are the eight planets? planets Having trouble remembering them? Try this mnemonic device: My Very Educated Mother Just Showed Us Neptune! Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

9. Inquiry 10: Modeling the Solar System (SC.5.E.5.3) Student Resource pp. 173-181 Question: How can we model the distances of planets from the Sun and from each other? Make a Prediction: In a model of the solar system, the Sun and Mercury (the closest planet to the Sun) are 14 inches apart. How far do you think it is from the Sun to the farthest planet, Neptune? 120 inches 90 feet 300 feet

10. How are the Planets grouped? What characteristics do they share? Inner Planets Inner Planets Size: Small Rocky and Solid Few or no moons Temperature: Hot to warm. Mercury Mercury Venus Venus Earth (one moon) Earth (one moon) Mars Mars Outer Planets Outer Planets Size: Large Composed of gas and dust Many moons Temperature: Cool to cold Jupiter Jupiter Saturn Saturn Uranus Uranus Neptune Neptune

11. Comparing Planets in Our Solar System PlanetNumber of Moons Length of Year in Earth Days Mercury088 Venus0224.7 Earth1365 Mars2687 Jupiter634,329 Saturn6210,752 Uranus2730,660 Neptune1360,152 Planet Data Table Activity

12. Planet Characteristics PlanetSizeLength of Its Orbit Composition of Planet Mercury Small ShortestRocky No moons Venussmall Longer than Mercury but shorter than Earth’s Rocky No moons Earthsmall Longer than Venus but shorter than Mar’s Rocky One moon Marssmall Longer than Earth but shorter than Jupiter’s Rocky No moons JupiterLargest Planet Longer than Mars but shorter than Neptune’s Gases and dust Many moons SaturnLarge Longer than Jupiter but shorter than Uranus’s Gases and dust Many moons UranusLarge Longer than Saturn but shorter than Neptune’s Gases and dust Many moons NeptuneLargeLonger than UranusGases and dust Many moons

13. Accountable Talk Accountable Talk Interactive Notebook Reflection Complete the sentences below to compare and contrast planet characteristics. 1. ________________ are different from ______________ in that ____________________ are ________________ than the ________________. 1. ________________ are different from ______________ in that ____________________ are ________________ than the ________________. 2. ___________ is/are similar to ______________________in that ______________________. 2. ___________ is/are similar to ______________________in that ______________________.. GIZMOS – Solar System GIZMOS – Solar System

14. Solar System Review Solar System Review Inner Planets Outer Planets

15. Accountable Talk Accountable Talk Interactive Notebook Reflection Complete the sentences below to compare and contrast planet characteristics. 1. ________________ are different from __________________ in that ____________________ are ________________ than the ________________. 2. 2. ___________ is/are similar to _________________________in that ______________________.. GIZMOS – Solar System GIZMOS – Solar System

16. How does Earth differ from other planets? Earth Earth is the 3rd planet from the sun. It is called the “Rocky Planet,” because it is made of rocks. Earth is the 3rd planet from the sun. It is called the “Rocky Planet,” because it is made of rocks. Earth Sometimes Earth is called the “Water Planet,” because about 70% of its surface is covered with the water. Sometimes Earth is called the “Water Planet,” because about 70% of its surface is covered with the water. Earth orbits or revolves around the sun in 365 days, or one Earth year. Earth orbits or revolves around the sun in 365 days, or one Earth year. While it is orbiting the sun, it also spins like a top! It spins 1 time in 24 hours, and that is why Earth’s day lasts for 24 hours. While it is orbiting the sun, it also spins like a top! It spins 1 time in 24 hours, and that is why Earth’s day lasts for 24 hours. Earth is the only known planet where plants and animals live. Earth is the only known planet where plants and animals live. It has one moon. SC.4.E.5.4 It has one moon. SC.4.E.5.4moon